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bigj7698 03-12-2012 10:43 AM

Rearend advice?
Nice title right...I have a 71 c10 weekend cruiser no dragstrip with what I assume is a stock rear end (open diff) with 3.08 gears? I am going to swap the sbc for a bbc and I don't know what to do with the rear end will it hold up and do I need/want to go with a posi or limited slip or any other options?..Any advice or suggestions...Thanks

SSedan64 03-12-2012 11:15 AM

The stock 12-Bolt is plenty strong for a cruiser.
The Posi is your choice, it's not a necessity unless traction is a major need, towing, drag etc.... or you don't like the 1 wheel peel. :D

bigj7698 03-12-2012 02:42 PM

Should I buy new,used,junkyard?

SSedan64 03-14-2012 03:54 PM

You may luck out & find a good used one. I'd check it or have it checked for Clutch wear before buying tho'. Probably best to buy new.
Stay away from the Gov Lock Carriers, their Ok for mild use, no burn outs etc.. they tend to break parts when going from dirt to pavement while spinning etc..
An Eaton Posi, Eaton/Detroit TrueTrac or Yukon Dura Grip would work well.
Auburn Posi Carriers aren't rebuildable, they use metal cones inplace of Clutch Plates like the Eaton & Yukon DuraGrip "Eaton Copy" use.

Carriers types, ID Pics >>
Courtesy of "BigGearHead"

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